Ransoming
v. 付赎金救人, 赎金( ransom的现在分词 )
✅ 同义词
🗣️ 情景例句
How do you do?
你好。
Am I your teacher?
我是你们的教员吗？
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。